StaticPacketCache.php

<?php
 
/*
 *
 *  ____            _        _   __  __ _                  __  __ ____
 * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
 * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
 * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
 * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * @author PocketMine Team
 * @link http://www.pocketmine.net/
 *
 *
 */
 
declare(strict_types=1);
 
namespace pocketmine\network\mcpe\cache;
 
use pocketmine\color\Color;
use pocketmine\data\bedrock\BedrockDataFiles;
use pocketmine\data\SavedDataLoadingException;
use pocketmine\network\mcpe\protocol\AvailableActorIdentifiersPacket;
use pocketmine\network\mcpe\protocol\BiomeDefinitionListPacket;
use pocketmine\network\mcpe\protocol\serializer\NetworkNbtSerializer;
use pocketmine\network\mcpe\protocol\types\biome\BiomeDefinitionEntry;
use pocketmine\network\mcpe\protocol\types\CacheableNbt;
use pocketmine\utils\Filesystem;
use pocketmine\utils\SingletonTrait;
use pocketmine\utils\Utils;
use pocketmine\world\biome\model\BiomeDefinitionEntryData;
use function count;
use function get_debug_type;
use function is_array;
use function json_decode;
 
class StaticPacketCache{
    use SingletonTrait;
 
    private static function loadCompoundFromFile(string $filePath) : CacheableNbt{
        return new CacheableNbt((new NetworkNbtSerializer())->read(Filesystem::fileGetContents($filePath))->mustGetCompoundTag());
    }
 
    private static function loadBiomeDefinitionModel(string $filePath) : array{
        $biomeEntries = json_decode(Filesystem::fileGetContents($filePath), associative: true);
        if(!is_array($biomeEntries)){
            throw new SavedDataLoadingException("$filePath root should be an array, got " . get_debug_type($biomeEntries));
        }
 
        $jsonMapper = new \JsonMapper();
        $jsonMapper->bExceptionOnMissingData = true;
        $jsonMapper->bStrictObjectTypeChecking = true;
        $jsonMapper->bEnforceMapType = false;
 
        $entries = [];
        foreach(Utils::promoteKeys($biomeEntries) as $biomeName => $entry){
            if(!is_array($entry)){
                throw new SavedDataLoadingException("$filePath should be an array of objects, got " . get_debug_type($entry));
            }
 
            try{
                $biomeDefinition = $jsonMapper->map($entry, new BiomeDefinitionEntryData());
 
                $mapWaterColour = $biomeDefinition->mapWaterColour;
                $entries[] = new BiomeDefinitionEntry(
                    (string) $biomeName,
                    $biomeDefinition->id,
                    $biomeDefinition->temperature,
                    $biomeDefinition->downfall,
                    $biomeDefinition->redSporeDensity,
                    $biomeDefinition->blueSporeDensity,
                    $biomeDefinition->ashDensity,
                    $biomeDefinition->whiteAshDensity,
                    $biomeDefinition->depth,
                    $biomeDefinition->scale,
                    new Color(
                        $mapWaterColour->r,
                        $mapWaterColour->g,
                        $mapWaterColour->b,
                        $mapWaterColour->a
                    ),
                    $biomeDefinition->rain,
                    count($biomeDefinition->tags) > 0 ? $biomeDefinition->tags : null,
                );
            }catch(\JsonMapper_Exception $e){
                throw new \RuntimeException($e->getMessage(), 0, $e);
            }
        }
 
        return $entries;
    }
 
    private static function make() : self{
        return new self(
            BiomeDefinitionListPacket::fromDefinitions(self::loadBiomeDefinitionModel(BedrockDataFiles::BIOME_DEFINITIONS_JSON)),
            AvailableActorIdentifiersPacket::create(self::loadCompoundFromFile(BedrockDataFiles::ENTITY_IDENTIFIERS_NBT))
        );
    }
 
    public function __construct(
        private BiomeDefinitionListPacket $biomeDefs,
        private AvailableActorIdentifiersPacket $availableActorIdentifiers
    ){}
 
    public function getBiomeDefs() : BiomeDefinitionListPacket{
        return $this->biomeDefs;
    }
 
    public function getAvailableActorIdentifiers() : AvailableActorIdentifiersPacket{
        return $this->availableActorIdentifiers;
    }
}